ac bypass

Discussion in 'Chevy Truck Talk & GM News' started by chris77, May 30, 2012.

  1. chris77

    chris77 New Member

    i have a 1998 350 tbi chevy truck and on my way to work the compressor locked up. is there a belt i can use to bypass the ac compressor
  2. Pikey

    Pikey Moderator Staff Member 5+ Years ROTM Winner 5000 Posts

    I am pretty sure that your owners manual will have a belt listed for "without AC". If not go to your autoparts store they will be able to tell you the correct one. I checked the autozone site for your truck. It lists multiple belts for your truck with no ac. It depends on your alternator size. The alternator sizes they list with the length of the belt are: 100, 105 no size listed , 120 amp Effective Length (in): 95.08 , 140amp Effective Length (in): 88
    Last edited: May 30, 2012
  3. Revredneck

    Revredneck Rockstar 100 Posts

    Good luck with this. I don't believe you can usually get by with such things on a Chevy.
    Good Luck and God Bless
  4. rileyjr16

    rileyjr16 Epic Member 5+ Years 1000 Posts

    They do sell a contraption that is a bypass pulley on if you wanted to go that route that bolts on to where the compressor goes. You wouldn't have to downsize your belt and its still routed correct. However, it is more expensive than just going with a smaller belt.
  5. moogvo

    moogvo Epic Member 5+ Years 1000 Posts

    Not all of the 98s had AC. They do have a belt that is for trucks without AC. It will work fine.

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